Rav Huna said of Rav Chisda, "Your name is Chisda, and your words are "Chisda'in [Beautiful/Generous]": Gittin 7a
Rav Chisda referred his Legal questions to him: Bava Metzia 7a
Rav Chisda asked Rav Huna what the status of a Rebbe was for a student who was needed by the Rebbe, instigating off a 40-year period when the two didn't speak; afterwards, they each fasted 40 days, Rav Chisda for upsetting Rav Huna and Rav Huna for Suspecting Rav Chisda of Impertinence: Bava Metzia 33a
Rav Chisda and Rabbah bar Rav Huna disagreeing with a ruling of Rav Huna's because they had not been told a reason, and Rav Huna responding, "Have you ever asked a reason and not been told it?": Succah 14b
Rav Chisda used to praise Rav Hemnuna to Rav Huna, but Rav Huna wouldn't receive him until he got married [as he was over 20?]: Kiddushin 29b
Rav Chisda asking on an apparent self-contradiction in Rav's statements, after Rav Huna died: Menachot 42a
A question Rav Chisda asked regarding a law, when Rav Huna died: Eruvin 38b
Rav Yosef would periodically test Rav Chisda to see whether he would answer a simple legal question during Rav Huna's lifetime, and Rav Chisda would not do it: Eruvin 62b
Rav Chisda would rule on law in Kafri, which was not Rav Huna's town: Eruvin 62b-63a
Rav Huna reported a lesson in the name of Rabbi Yochanan, to which Rav Chisda replied, "By Gd! Even if Rabbi Yochanan himself would say this, I would not listen to him!": Berachot 24b
Rav Huna told Rav Chanan bar Rava, "Don't disagree with me; Rav went to Damharya and practiced as I have said." According to Rav Chanan bar Rava, Rav performed a stringent practice in Damharia because the local people were lax in their Mitzvah observance, and he sought to distance them from sin: Eruvin 6a
Called Rav "Abba": Pesachim 107a
Rav blessed Rav Huna for his self-sacrifice in fulfilling the mitzvah of sanctification of Shabbat [Kiddush]; when the blessing came true at the wedding of Rabbah, Rav's son, Rav scolded Rav Huna for not responding to the blessing, "And to Master, too": Megillah 27b
Rabbah reporting questions they asked when they learned in Rav Huna's Study Hall: Eruvin 40a-41a
Rav instructing Rav Huna in a way to set up a shelter on Shabbat for Rav Huna's rams: Eruvin 102a
Rav Huna was sitting before Rav, and he questioned a practice of Rav's. Rav exclaimed, "This rabbi is like one who has never learned anything!": Eruvin 15a
Rav Huna once tore expensive clothing in front of his son, Rabbah, [in a way which could be repaired, although Rabbah was unaware], to test whether Rabbah would get angry: Kiddushin 32a
Accused by Rav Nachman of claiming that a personal ruling was unanimous: Ketuvot 19a
Being called "Huna Chavrin [Our friend]" by Rav Nachman: Bava Metzia 15a; Niddah 16a
Rav Anan sent a message to Rav Huna, calling him "our friend Huna הונא חברין"; Rav Huna was upset, and he sent a response with Rav Sheshet calling him "Anan" without an honourific and with implicit insult. Rav Anan complained to Mar Ukva - who justified Rav Huna's reaction: Ketuvot 69a
Rav Chisda used to praise Rav Hemnuna to Rav Huna, but Rav Huna wouldn't receive him until he got married [as he was over 20?]: Kiddushin 29b
Called "Izi" - My Friend - by Rami Bar Yechezkel: Shabbat 138b
Responding to a question uncertainly, sometimes "Yes" and sometimes "No": Bava Metzia 14b
Rabbi Yirmiyah dozing off before his students, Rav Huna and Rav Yitzchak bar Yosef; then waking and calling them "Children!" correcting a statement of theirs from when he was "asleep": Gittin 11b
Rav Huna challenged the attribution of a statement by Rav Yosef, angering him to the point where Rav Yosef turned his face away: Succah 11a
Rav Yosef reciting something he had learned, in front of Rav Huna: Eruvin 7a
Rabbi Abba reporting an anecdote about Rav Huna: Nedarim 7b
Rav Ami and Rav Asi, the two [most] important Kohanim of Israel, were subject to him: Megillah 22a
Rav Huna wouldn't allow Rav Chanah bar Chanilai to carry a shovel for him, before determining that Rav Chana ordinarily carried shovels: Megillah 28a
Rami bar Shemuel and Rav Yitzchak beraih deRav Yehudah, learning in the school of Rav Huna when overheard by Rav Huna's son, Rabbah bar Rav Huna: Niddah 17b
Rav Huna presenting a kal vachomer to deduce a law in order to sharpen his students' minds by challenging it, or in order to inspire his students to be creative, even though the kal vachomer was flawed and the law had actually been learned from a tradition: Zevachim 12b-13a
Personal Practices
Set of Statements, mostly on prayer, quoted by Rabbi Chelbo: Berachot 6b
Set of Statements related to prayer and bathrooms: Berachot 24b-25a
Refused to sit on the same surface with a Torah Scroll: Moed Katan 25a
Rav Huna advising the purchasers of the Leader's household, on how to buy myrtle branches for Succos: Succah 30a-b
Rav Huna ordered a fast, and levied a Tzedakah-Tax on a community, including Rav Chanah bar Chanilai, which came for the fast. He insisted that the money be used for the poor of his own community, pointing to his own status in running the tzedakah, and to the fact that their poor relied on him as well: Megillah 27a-b
Correcting Levi bar Buti, was reading the Torah before him: Megillah 31b
Cutting off a criminal's hand for certain sins: Niddah 13b