"You are not an average person sitting in a living room," Judge Patricia Schnegg said. "You are not only in the public eye, but you are on probation."
Brown stood silently as Schnegg spoke, at times seeming to nod in agreement.
PHOTOS: Chris Brown's 2009 sentencing
Brown was in a downtown Los Angeles courtroom Monday for the latest in a series of probation hearings related to his assault on then-girlfriend Rihanna in 2009. Now a California resident, he was living in Virginia while performing his court-ordered community service.
The judge revealed the marijuana test result but did not take any immediate action. She set another hearing for November to review various probation records. She also asked officials to prepare a supplemental probation report on Brown.
A report issued in mid-August said Brown needed 120 hours to complete his community service, but his attorney, Mark Geragos, said the singer had completed 1,400 hours of service.
Under the terms of his plea agreement, Brown was placed on five years' probation, required to attend a yearlong domestic violence prevention class and complete six months of what the judge termed "community labor" -- a more restrictive form of community service in which he was required to perform such tasks as picking up trash or removing graffiti.
In an interview earlier this year, Rihanna said she was angry at Brown but also felt protective of him.
"Nobody's going to say he needs help. Everybody's going to say he's a monster, without looking at the source," she told Oprah Winfrey. "I was more concerned about him."
Before the hearing, Rihanna tweeted, "I'm praying for you and wishing u the best today!"
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-- Andrew BlanksteinPhoto: Chris Brown accepts the award for best R&B album for "F.A.M.E." during the 54th annual Grammy Awards in February. Credit: Matt Sayles / Associated Press
